# -*- coding: utf-8 -*-
import os,sys
import sys
import pycurl

URL="http://news.baidu.com/"
c = pycurl.Curl()
c.setopt(pycurl.URL, URL) #define request url
                
#连接超时时间,5秒
c.setopt(pycurl.CONNECTTIMEOUT, 5)

#下载超时时间,5秒
c.setopt(pycurl.TIMEOUT, 5)
c.setopt(pycurl.FORBID_REUSE, 1) #Interaction to complete disconnect
c.setopt(pycurl.MAXREDIRS, 1) #define http redirect the max
c.setopt(pycurl.NOPROGRESS, 1) #Don't show the download progress bar
c.setopt(pycurl.DNS_CACHE_TIMEOUT,30) #dns valid time
indexfile = open(os.path.dirname(os.path.abspath(__file__))+"/content.txt", "wb")
c.setopt(pycurl.WRITEHEADER, indexfile)
c.setopt(pycurl.WRITEDATA, indexfile)
try:
    c.perform() #Submit a request
except Exception as e:
    print("connecion error:"+str(e))
    indexfile.close()
    c.close()
    sys.exit()

NAMELOOKUP_TIME =  c.getinfo(c.NAMELOOKUP_TIME)
CONNECT_TIME =  c.getinfo(c.CONNECT_TIME)
PRETRANSFER_TIME =   c.getinfo(c.PRETRANSFER_TIME)
STARTTRANSFER_TIME = c.getinfo(c.STARTTRANSFER_TIME)
TOTAL_TIME = c.getinfo(c.TOTAL_TIME)
HTTP_CODE =  c.getinfo(c.HTTP_CODE)
SIZE_DOWNLOAD =  c.getinfo(c.SIZE_DOWNLOAD)
HEADER_SIZE = c.getinfo(c.HEADER_SIZE)
SPEED_DOWNLOAD=c.getinfo(c.SPEED_DOWNLOAD)

print("HTTP状态码：%s" %(HTTP_CODE))
print("DNS解析时间：%.2f ms"%(NAMELOOKUP_TIME*1000))
print("建立连接时间：%.2f ms" %(CONNECT_TIME*1000))
print("准备传输时间：%.2f ms" %(PRETRANSFER_TIME*1000))
print("传输开始时间：%.2f ms" %(STARTTRANSFER_TIME*1000))
print("传输结束总时间：%.2f ms" %(TOTAL_TIME*1000))

print("下载数据包大小：%d bytes/s" %(SIZE_DOWNLOAD))
print("HTTP头部大小：%d byte" %(HEADER_SIZE))
print("平均下载速度：%d bytes/s" %(SPEED_DOWNLOAD))

indexfile.close()
c.close()
